Devaki Siva, MD
NPI 1982823290ActiveIndividual· Internal Medicine, Hematology & Oncology· Lakewood Ranch, FL
Internal Medicine, Hematology & Oncology (MD) with Marietta Memorial Hospital and 1 other group, practicing in Lakewood Ranch, Florida. In 2024 Medicare paid $584,395 for 431 patients, and Part D covered 552 of their prescriptions, 66% of them generic. Seagen Inc. was the largest of 13 companies reporting payments in 2025, $507.63 in all, mostly food and beverage. Lists Adventhealth Deland and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1982823290 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2007 |
| Last updated in NPPES | Oct 26, 2026 |
| Certified by provider | Oct 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | ME163239 | FL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 35091718 | OH |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 23141 | WV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (FL); Practitioner - Hematology/Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 431 |
|---|---|
| Services billed | 30,885 across 82 procedure codes |
| Paid by Medicare | $584,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 552 · 853 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $846,652 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical groups
- Marietta Memorial HospitalMarietta, OH · 392 clinicians
- Mid-Florida Cancer Centers LLCOrange City, FL · 13 clinicians
Hospital affiliations
- Adventhealth DelandDeland, FL
- Adventhealth Fish MemorialOrange City, FL
- Marietta Memorial HospitalMarietta, OH
- Selby General HospitalMarietta, OH
Industry payments (Open Payments)
- 2025$507.63 · 19 payments from 13 companies
- 2024$2,409 · 100 payments from 39 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Seagen Inc. | $92.99 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $82.55 | 3 |
| Pfizer Inc. | $78.01 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $50.20 | 2 |
| Novartis Pharmaceuticals Corporation | $29.62 | 1 |
What the 2025 payments were for
- Food and Beverage$414.64 · 18 payments
- Education$92.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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